Add the code store to the WAM (unused right now)
    
        | author | Steve Losh <steve@stevelosh.com> | 
    
        | date | Wed, 30 Mar 2016 13:44:34 +0000 | 
    
        | parents | (none) | 
    
        | children | 6dc3f4e03454 | 
(in-package #:bones.wam)
(deftype heap-cell ()
  `(unsigned-byte ,+cell-width+))
(deftype heap-cell-tag ()
  `(unsigned-byte ,+cell-tag-width+))
(deftype heap-cell-value ()
  `(unsigned-byte ,+cell-value-width+))
(deftype heap-index ()
  `(integer 0 ,(1- +heap-limit+)))
(deftype register-index ()
  `(integer 0 ,(1- +register-count+)))
(deftype functor-index ()
  `(integer 0 ,(1- array-total-size-limit)))
(deftype arity ()
  `(integer 0 ,+maximum-arity+))
(deftype code-word ()
  `(unsigned-byte ,+code-word-size+))
(deftype code-index ()
  `(integer 0 ,(1- +code-limit+)))
(deftype opcode ()
  '(integer 0 3))